/* ============================================================
   YUCATECH 2027 · Presentación comercial · Apple/Tron
   Switches: tema (dark/light) + idioma (ES/EN)
   ============================================================ */
:root{
  --naranja:#FF5A1F; --naranja-2:#FF7A3D; --amarillo:#FFB020; --jade:#00E0A4;
  --display:'Orbitron',system-ui,sans-serif;
  --body:'Inter','Montserrat',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --navh:60px;
}
html[data-theme="dark"]{
  --bg:#050607; --bg-2:#0c0f12; --panel:#0a0d10; --ink:#F4F6F8;
  --ink-soft:rgba(244,246,248,.60); --line:rgba(244,246,248,.14);
  --glow:0 0 14px rgba(255,90,31,.55); --glow-strong:0 0 26px rgba(255,90,31,.8);
  --card:#0c1013; --nav-bg:rgba(5,6,7,.92); --accent-ink:#fff;
  --media-bg:#0a0d10;
}
html[data-theme="light"]{
  --bg:#FFFFFF; --bg-2:#F5F6F8; --panel:#FFFFFF; --ink:#0A0C0F;
  --ink-soft:rgba(10,12,15,.60); --line:rgba(10,12,15,.12);
  --glow:0 6px 24px rgba(10,12,15,.08); --glow-strong:0 8px 30px rgba(255,90,31,.22);
  --card:#FFFFFF; --nav-bg:rgba(255,255,255,.92); --accent-ink:#fff;
  --media-bg:#EEF1F4;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--navh) + 14px)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);
  line-height:1.6;-webkit-font-smoothing:antialiased;padding-top:var(--navh);
  transition:background .4s ease,color .4s ease;overflow-x:hidden}
.wrap{max-width:1200px;margin:0 auto;padding:0 30px}
section{padding:104px 0;border-bottom:1px solid var(--line);position:relative}

/* ============ i18n: mostrar según idioma ============ */
html[data-lang="es"] [data-en]{display:none}
html[data-lang="en"] [data-es]{display:none}
/* variantes inline */
.lx[data-es],.lx[data-en]{display:inline}
html[data-lang="es"] .lx[data-en]{display:none}
html[data-lang="en"] .lx[data-es]{display:none}

/* ================= NAV ================= */
.nav{position:fixed;top:0;left:0;right:0;z-index:200;height:var(--navh);
  background:var(--nav-bg);border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);display:flex;align-items:center}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 22px;width:100%;
  display:flex;align-items:center;gap:14px}
.nav-brand{font-family:var(--display);font-size:13px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--naranja);text-decoration:none;font-weight:900;flex:0 0 auto}
.nav-links{display:flex;gap:2px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.nav-links::-webkit-scrollbar{display:none}
.nav-links a{flex:0 0 auto;font-family:var(--mono);font-size:9.5px;letter-spacing:.11em;
  text-transform:uppercase;color:var(--ink-soft);text-decoration:none;padding:8px 8px;
  border-radius:6px;white-space:nowrap;transition:.25s}
.nav-links a:hover{color:var(--naranja);background:rgba(255,90,31,.08)}
.nav-links a.current{color:var(--naranja);box-shadow:inset 0 -2px 0 var(--naranja)}

.switches{display:flex;gap:8px;flex:0 0 auto;margin-left:8px}
.sw{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:20px;
  padding:3px;cursor:pointer;background:transparent;transition:.25s}
.sw:hover{border-color:var(--naranja)}
.sw .opt{font-family:var(--mono);font-size:8.5px;letter-spacing:.1em;text-transform:uppercase;
  padding:5px 9px;border-radius:16px;color:var(--ink-soft);transition:.25s;user-select:none}
.sw .opt.on{background:var(--naranja);color:#fff;box-shadow:var(--glow)}

.nav-toggle{display:none;background:transparent;border:1px solid var(--line);
  color:var(--ink);width:40px;height:34px;cursor:pointer;font-size:15px;border-radius:6px;flex:0 0 auto}
.nav-toggle:hover{border-color:var(--naranja);color:var(--naranja)}
@media (max-width:1040px){
  .nav-toggle{display:block;order:3}
  .switches{order:2;margin-left:auto}
  .nav-links{position:fixed;top:var(--navh);left:0;right:0;background:var(--nav-bg);
    border-bottom:1px solid var(--line);flex-direction:column;gap:0;padding:8px 0 14px;
    max-height:0;opacity:0;pointer-events:none;transition:max-height .35s,opacity .25s;order:4;width:100%}
  .nav-links.open{max-height:82vh;opacity:1;pointer-events:auto;overflow-y:auto}
  .nav-links a{font-size:11px;padding:13px 24px;border-radius:0;border-bottom:1px solid var(--line)}
}

/* ================= TIPO ================= */
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.26em;text-transform:uppercase;
  color:var(--ink-soft);display:flex;align-items:center;gap:14px;margin:0 0 26px}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--naranja);border-radius:2px}
h2{font-family:var(--display);font-weight:900;font-size:clamp(28px,3.6vw,50px);
  line-height:1.03;margin:0 0 20px;letter-spacing:-.01em}
h3{font-family:var(--display);font-weight:600;font-size:17px;margin:0 0 10px}
p{margin:0 0 16px;max-width:66ch}
.lead{font-size:19px;color:var(--ink)}
.muted{color:var(--ink-soft)} .hl{color:var(--naranja)}

/* ================= HERO ================= */
.hero{position:relative;display:flex;flex-direction:column;justify-content:flex-start;
  border-bottom:1px solid var(--line);overflow:hidden;background:var(--bg);padding-top:0}
.hero-bg{position:absolute;inset:0;z-index:0;opacity:.5;pointer-events:none;
  background:
    radial-gradient(1000px 500px at 70% 10%,rgba(255,90,31,.20),transparent 60%),
    radial-gradient(700px 400px at 20% 90%,rgba(255,176,32,.12),transparent 60%)}
.hero-grid{position:absolute;inset:0;z-index:0;opacity:.30;pointer-events:none;
  background-image:linear-gradient(rgba(255,90,31,.14) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,90,31,.14) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(circle at 50% 50%,#000,transparent 78%)}
html[data-theme="light"] .hero-grid{opacity:.5}
.hero-inner{position:relative;z-index:2;max-width:1200px;margin:0 auto;padding:34px 30px 60px;width:100%}
.hero-logo{width:132px;height:auto;margin-bottom:34px;display:block}
html[data-theme="dark"] .hero-logo{filter:drop-shadow(0 0 24px rgba(255,90,31,.4))}
.hero-videowrap{position:relative;z-index:2;width:100%;margin:0;line-height:0}
.hero-video{width:100%;height:auto;display:block}
.hero-video.dark{display:block}
.hero-video.light{display:none}
html[data-theme="light"] .hero-video.dark{display:none}
html[data-theme="light"] .hero-video.light{display:block}
.hero-date{font-family:var(--mono);font-size:14px;letter-spacing:.34em;color:var(--naranja);
  text-transform:uppercase;margin-bottom:22px}
.hero h1{font-family:var(--display);font-weight:900;font-size:clamp(34px,6vw,74px);
  line-height:1.02;letter-spacing:-.015em;margin:0;max-width:19ch}
.hero-place{margin-top:26px;font-family:var(--mono);font-size:13px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--ink-soft);display:flex;align-items:center;gap:12px}
.hero-place::before{content:"";width:26px;height:2px;background:var(--naranja)}
.scrollcue{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:3;
  font-family:var(--mono);font-size:9px;letter-spacing:.24em;color:var(--ink-soft);
  text-transform:uppercase;animation:bob 2.4s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,7px)}}

/* ================= VIDEO PRESS ================= */
.video-frame{margin-top:34px;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  background:#000;box-shadow:var(--glow-strong)}
.video-ratio{position:relative;width:100%;aspect-ratio:16/9}
.video-ratio iframe,.video-ratio video{position:absolute;inset:0;width:100%;height:100%;border:0;
  object-fit:cover;background:var(--media-bg)}
.video-cta{margin-top:18px}

/* ================= CARDS / GRID ================= */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:34px}
.card{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--card);
  transition:transform .3s,box-shadow .3s,border-color .3s}
.card:hover{transform:translateY(-3px);box-shadow:var(--glow-strong);border-color:var(--naranja)}
.card figure{margin:0;aspect-ratio:16/10;overflow:hidden;background:var(--media-bg)}
.card img{width:100%;height:100%;object-fit:cover;display:block}
.card-body{padding:24px 22px}
.card-body h3{color:var(--naranja);font-size:15px;margin-bottom:10px}
.card-body p{font-size:13.5px;color:var(--ink-soft);margin:0}

/* stats */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:38px}
.stat{border:1px solid var(--line);border-radius:16px;padding:34px 26px;background:var(--card);
  text-align:center}
.stat .n{font-family:var(--display);font-weight:900;font-size:clamp(30px,4.4vw,52px);
  color:var(--naranja);line-height:1;text-shadow:var(--glow)}
html[data-theme="light"] .stat .n{text-shadow:none}
.stat .l{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-soft);margin-top:14px}

/* ================= MEDIA LOGOS ================= */
.media-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:36px}
.media-cell{border:none;background:transparent;
  aspect-ratio:3/2;display:flex;align-items:center;justify-content:center;padding:14px;
  transition:transform .3s}
.media-cell:hover{transform:translateY(-3px)}
.media-cell img{max-width:100%;max-height:100%;object-fit:contain}
.media-cell .logo-color{display:none}
.media-cell .logo-white{display:block}
html[data-theme="light"] .media-cell .logo-color{display:block}
html[data-theme="light"] .media-cell .logo-white{display:none}
.media-foot{margin-top:26px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ink-soft);text-align:center}

/* ================= SPEAKERS ================= */
.sp-slider-wrap{position:relative;margin-top:36px;padding:0 4px}
.sp-slider{display:flex;gap:20px;overflow-x:auto;scroll-behavior:smooth;scroll-snap-type:x mandatory;
  padding:6px 2px 16px;scrollbar-width:none;-ms-overflow-style:none}
.sp-slider::-webkit-scrollbar{display:none}
.sp-slide{flex:0 0 calc(25% - 15px);scroll-snap-align:start;min-width:230px}
.sp-nav{position:absolute;top:calc(50% - 30px);transform:translateY(-50%);z-index:5;
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--nav-bg);
  color:var(--ink);font-size:22px;line-height:1;cursor:pointer;backdrop-filter:blur(8px);
  display:flex;align-items:center;justify-content:center;transition:.25s}
.sp-nav:hover{border-color:var(--naranja);color:var(--naranja);box-shadow:var(--glow)}
.sp-prev{left:-8px}.sp-next{right:-8px}
@media (max-width:920px){.sp-slide{flex:0 0 calc(50% - 10px);min-width:200px}}
@media (max-width:600px){.sp-slide{flex:0 0 82%;min-width:0}.sp-nav{display:none}}
.sp-card{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--card);
  transition:transform .3s,box-shadow .3s,border-color .3s}
.sp-card:hover{transform:translateY(-4px);box-shadow:var(--glow-strong);border-color:var(--naranja)}
.sp-photo{aspect-ratio:1/1;overflow:hidden;background:var(--media-bg);position:relative}
.sp-photo img{width:100%;height:100%;object-fit:cover;display:block;filter:grayscale(.15)}
.sp-card:hover .sp-photo img{filter:grayscale(0)}
.sp-info{padding:18px 18px 22px}
.sp-name{font-family:var(--display);font-weight:600;font-size:17px;line-height:1.15;margin:0 0 7px}
.sp-role{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--naranja);margin:0}

/* ================= PARTNER ================= */
.partner-hero{display:grid;grid-template-columns:1.2fr 1fr;gap:0;border:1px solid var(--line);
  border-radius:18px;overflow:hidden;margin-top:34px;background:var(--card)}
.partner-media{background:var(--media-bg);aspect-ratio:auto;min-height:340px;overflow:hidden}
.partner-media img{width:100%;height:100%;object-fit:cover;display:block}
.partner-copy{padding:48px 42px;display:flex;flex-direction:column;justify-content:center}
.partner-copy .big{font-family:var(--display);font-weight:900;font-size:clamp(22px,2.6vw,32px);
  line-height:1.1;margin:0 0 16px}
.partner-copy p{font-size:15px;color:var(--ink-soft);margin:0}

/* ================= PROPOSAL / TIERS ================= */
.tiers{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:38px}
.tier{border:1px solid var(--line);border-radius:16px;padding:30px 22px;background:var(--card);
  display:flex;flex-direction:column;gap:14px;position:relative;transition:transform .3s,box-shadow .3s}
.tier:hover{transform:translateY(-4px);box-shadow:var(--glow-strong)}
.tier.feat{border-color:var(--naranja);box-shadow:var(--glow)}
.tier .rank{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-soft)}
.tier .name{font-family:var(--display);font-weight:900;font-size:22px;color:var(--ink)}
.tier.feat .name{color:var(--naranja)}
.tier .price{font-family:var(--mono);font-size:clamp(16px,1.7vw,20px);color:var(--naranja);
  font-weight:700;margin-top:auto}
.tier .note{font-family:var(--mono);font-size:9px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink-soft)}
.tier .bar{height:5px;border-radius:3px;background:var(--naranja);opacity:.9}
@media (max-width:920px){.tiers{grid-template-columns:1fr 1fr}}

/* ================= PITCH ================= */
.pitch-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:34px;align-items:center}
.pitch-media{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.pitch-media-single{margin:0}
.pitch-media-single figure{margin:0;border-radius:16px;overflow:hidden;border:1px solid var(--line);aspect-ratio:3/2;background:var(--media-bg)}
.pitch-media-single img{width:100%;height:100%;object-fit:cover;display:block}
.pitch-media figure{margin:0;border-radius:14px;overflow:hidden;border:1px solid var(--line);
  aspect-ratio:4/3;background:var(--media-bg)}
.pitch-media img{width:100%;height:100%;object-fit:cover;display:block}
.pitch-nums{display:flex;gap:22px;margin:24px 0 0}
.pitch-num{border:1px solid var(--line);border-radius:14px;padding:20px 26px;background:var(--card);text-align:center}
.pitch-num b{font-family:var(--display);font-weight:900;font-size:38px;color:var(--naranja);display:block;line-height:1}
.pitch-num span{font-family:var(--mono);font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft)}

/* ================= CLOSING ================= */
.closing{text-align:center;padding:110px 0;position:relative;overflow:hidden}
.closing::before{content:"";position:absolute;top:-20%;left:50%;transform:translateX(-50%);
  width:80vw;height:140%;filter:blur(80px);opacity:.4;pointer-events:none;
  background:radial-gradient(circle,rgba(255,90,31,.4),transparent 66%)}
.closing .wrap{position:relative;z-index:2}
.closing-logo{width:min(360px,72vw);height:auto;margin:0 auto 26px;display:block}
html[data-theme="dark"] .closing-logo{filter:drop-shadow(0 0 20px rgba(255,90,31,.5))}
.closing-place{font-family:var(--mono);font-size:clamp(13px,1.6vw,17px);letter-spacing:.24em;text-transform:uppercase;color:var(--ink-soft);margin:6px 0 4px}
.closing .date{font-family:var(--mono);font-size:clamp(20px,3vw,34px);letter-spacing:.2em;
  color:var(--naranja);margin:22px 0 10px;font-weight:700}
.pillars{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:34px}
.pillars span{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  border:1px solid var(--line);border-radius:20px;padding:10px 18px;color:var(--ink)}

/* ================= CONTACT ================= */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:36px}
.contact-card{border:1px solid var(--line);border-radius:16px;padding:34px 30px;background:var(--card)}
.contact-card .cname{font-family:var(--display);font-weight:900;font-size:22px;margin:0 0 6px}
.contact-card .crole{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--naranja);margin:0 0 18px}
.contact-card a{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;
  font-size:14px;margin:8px 0;transition:.2s}
.contact-card a:hover{color:var(--naranja)}
.contact-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;justify-content:center}
.contact-links a{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink);text-decoration:none;border:1px solid var(--line);border-radius:10px;
  padding:12px 18px;transition:.25s}
.contact-links a:hover{color:var(--naranja);border-color:var(--naranja);box-shadow:var(--glow)}

.disclaimer{border-top:1px solid var(--line);padding:40px 0 84px;text-align:center}
.disclaimer p{font-family:var(--mono);font-size:10.5px;line-height:1.9;letter-spacing:.03em;
  color:var(--ink-soft);max-width:80ch;margin:0 auto}

@media (max-width:920px){
  .grid3,.stats,.media-grid{grid-template-columns:1fr 1fr}
  .sp-grid{grid-template-columns:1fr 1fr}
  .grid2,.partner-hero,.pitch-grid,.contact-grid{grid-template-columns:1fr}
  .media-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:600px){
  section{padding:70px 0}.wrap{padding:0 20px}
  .grid3,.stats{grid-template-columns:1fr}
  .sp-grid{grid-template-columns:1fr 1fr}
  .pitch-media{grid-template-columns:1fr 1fr}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* iconos sociales con neón */
.contact-links a.soc{display:inline-flex;align-items:center;gap:9px}
.soc-ico{width:17px;height:17px;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--display);font-weight:900;font-size:12px;line-height:1;color:var(--naranja);
  filter:drop-shadow(0 0 5px rgba(255,90,31,.7))}
.contact-links a.soc:hover .soc-ico{filter:drop-shadow(0 0 9px rgba(255,90,31,1))}
/* resaltado neón para frases (antes negritas) */
.neon{color:var(--naranja-2);font-weight:700;
  text-shadow:0 0 8px rgba(255,122,61,.55),0 0 2px rgba(255,122,61,.4)}
html[data-theme="light"] .neon{color:#E8560F;text-shadow:none;font-weight:700}